Design of Molecular Traps for the High-Speed Pumping of Directional Low-Density Nozzle Flow

1964 ◽  
pp. 472-481
Author(s):  
D. A. Wallace ◽  
K. W. Rogers
Keyword(s):  
High Speed ◽  
Nozzle Flow ◽  
Low Density

scholarly journals Low Density Drivers of Strong Interplanetary Shocks

1996 ◽  
Vol 154 ◽  
pp. 5-13
Author(s):  
A. Hewish
Keyword(s):  
High Speed ◽  
Solar Maximum ◽  
Coronal Holes ◽  
Strong Shock ◽  
Low Density ◽  
The Sun ◽  
Interplanetary Shocks ◽  
Fast Solar Wind ◽  
Proton Temperature ◽  
High Speed Flows

AbstractThe theory that most, if not all, interplanetary shocks are caused by coronal mass ejections (CMEs) faces serious problems in accounting for the strongest shocks. The difficulties include (i) a remarkable absence of very strong shocks during solar maximum 1980 when CMEs were prolific, (ii) unrealistic initial speeds near the Sun for impulsive models, (iii) the absence of rarefaction zones behind the shocks and (iv) sustained high speed flows following shocks which are not easily explained as consequences of CME eruptions. Observations of the proton temperature near 1 AU indicate that strong shock drivers have properties similar to high speed streams emitted by coronal holes. Eruptions of fast solar wind from coronal holes influenced by solar activity can explain the occurrence of the strongest interplanetary shocks.

B22 High-Speed Gas-Liquid Two-Phase Nozzle Flow for Carbon Dioxide : Consideration of Gas-Liquid Friction Force

2011 ◽  
Vol 2011 (0) ◽  
pp. 57-58
Author(s):  
Suguru KATAYAMA ◽  
Yoichi KINOUE ◽  
Norimasa SHIOMI ◽  
Toshiaki SETOGUCHI
Keyword(s):  
Carbon Dioxide ◽  
Friction Force ◽  
High Speed ◽  
Nozzle Flow ◽  
Two Phase

4B2 High-Speed Gas-Liquid Two-Phase Nozzle Flow for Carbon Dioxide : Velocity Measurement by PIV

2014 ◽  
Vol 2014 (0) ◽  
pp. _4B2-1_-_4B2-2_
Author(s):  
Satoshi UENO ◽  
Wakana TURU ◽  
Yoichi KINOUE ◽  
Morimasa SHIOMI ◽  
Toshiaki SETOGUCHI
Keyword(s):  
Carbon Dioxide ◽  
Velocity Measurement ◽  
High Speed ◽  
Nozzle Flow ◽  
Two Phase

An Application of LDPC Code for Wireless Coherent-Light Commutation in Atmospheric Channel

2013 ◽  
Vol 347-350 ◽  
pp. 1864-1867
Author(s):  
Ning Hao ◽  
Yang An Zhang ◽  
Jin Nan Zhang ◽  
Ming Lun Zhang ◽  
Xue Guang Yuan
Keyword(s):  
High Speed ◽  
System Simulation ◽  
Ldpc Code ◽  
Low Density ◽  
Parity Check ◽  
Coherent Light ◽  
Line System ◽  
Low Density Parity Check ◽  
Atmospheric Channel ◽  
Ber Performance

Low Density Parity Check code is more and more taken seriously in high-speed transmission. In this article we represent a LDPC coder and decoder which based on IEEE802.16e and realize the coder and decoder with Virtex-5 FPGA. By using Matlab to make an off-line system simulation, we analyzed and compared the LDPC performance under the different length of code for LDPC coder then analyzed the influence of different iteration to the LDPC BER performance of decoder.

Sign in / Sign up

Export Citation Format

Share Document